48.It was great joy_________he received the news that his long lost son would return home
49.
| A．as | B．that | C．so | D．for |
We are in close contact with l
ocal authorities and it is a situation __________ we will keep a very close eye on.
A. where B. when C. which D what
In the past, officials have criticized American intelligence services, __________ they relied too heavily on technology.
| A．to say | B．saying | C．said | D．say |
We were reading _______ the lights were out.
| A．as | B．when | C．while | D．until |
Henry must have stayed up last night, ________ he looks so tired and sleepy.
| A．for | B．as | C．though | D．since |
It was __________ I went fishing in the open air yesterday.
| A．such a nice weather | B．so nice weather that |
| C．such nice weather that | D．a nice weather so that |